CN115340070A - Nitrogen-oxygen separation device and separation method - Google Patents

Nitrogen-oxygen separation device and separation method Download PDF

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Publication number
CN115340070A
CN115340070A CN202211044803.8A CN202211044803A CN115340070A CN 115340070 A CN115340070 A CN 115340070A CN 202211044803 A CN202211044803 A CN 202211044803A CN 115340070 A CN115340070 A CN 115340070A
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nitrogen
oxygen
air
molecular sieve
vent
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CN202211044803.8A
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王学渊
唐礼
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Shenzhen Lifu Medical Technology Co ltd
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Shenzhen Lifu Medical Technology Co ltd
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Priority to CN202211044803.8A priority Critical patent/CN115340070A/en
Priority to PCT/CN2022/130891 priority patent/WO2024045339A1/en
Publication of CN115340070A publication Critical patent/CN115340070A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/02Preparation of oxygen
    • C01B13/0229Purification or separation processes
    • C01B13/0248Physical processing only
    • C01B13/0259Physical processing only by adsorption on solids
    • C01B13/0262Physical processing only by adsorption on solids characterised by the adsorbent
    • C01B13/0274Other molecular sieve materials
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00Nitrogen; Compounds thereof
    • C01B21/04Purification or separation of nitrogen
    • C01B21/0405Purification or separation processes
    • C01B21/0433Physical processing only
    • C01B21/045Physical processing only by adsorption in solids
    • C01B21/0455Physical processing only by adsorption in solids characterised by the adsorbent
    • C01B21/0472Other molecular sieve materials
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2210/00Purification or separation of specific gases
    • C01B2210/0001Separation or purification processing
    • C01B2210/0009Physical processing
    • C01B2210/0014Physical processing by adsorption in solids
    • C01B2210/0015Physical processing by adsorption in solids characterised by the adsorbent
    • C01B2210/002Other molecular sieve materials

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)

Abstract

The invention discloses a nitrogen-oxygen separation device and a separation method, which relate to the technical field of skin beauty equipment and comprise a multi-way control valve, an oxygen-making molecular sieve tower, a nitrogen-making molecular sieve tower and a four-way control valve, wherein the multi-way control valve is provided with a main air inlet with an opening and closing function, a main air outlet, an oxygen-making air vent communicated with the oxygen-making molecular sieve tower and a nitrogen-making air vent communicated with the nitrogen-making molecular sieve tower, the main air inlet is communicated with the main air outlet through a first cavity, and the multi-way control valve is also provided with a stop switch for controlling the on-off of the first cavity; the four-way control valve comprises a second cavity, an oxygen input air inlet, an oxygen input exhaust outlet, a nitrogen input air inlet and a nitrogen input exhaust outlet which are communicated with the second cavity and have opening and closing functions, the oxygen input air inlet and the oxygen input exhaust outlet are respectively communicated with the oxygen generation molecular sieve tower and the oxygen storage tank, and the nitrogen input air inlet and the nitrogen input exhaust outlet are respectively communicated with the nitrogen generation molecular sieve tower and the nitrogen storage tank.

Description

Nitrogen-oxygen separation device and separation method
Technical Field
The invention relates to the technical field of skin beautifying equipment, in particular to a nitrogen-oxygen separation device and a separation method.
Background
The existing plasma generation method in the beauty industry mainly adopts high-frequency, high-voltage and high-power ionization in the air environment, and the generated plasma belongs to spark discharge and even arc discharge and has high temperature and power. When the skin care product acts on the skin in the air, the rapid heating causes serious water loss, and the tissue undergoes coagulative necrosis, even carbonization or vaporization. The technology optimized for the technical problem is generally to generate plasma under a low-temperature environment to act on the skin. Although the method reduces the probability of rapid heating and protects the skin to a certain extent, the plasma still cannot achieve the ideal skin treatment effect in the air medium. The skin treatment effect of the plasma is obviously improved if the plasma is in an oxygen-rich environment or a nitrogen-rich environment.
The traditional nitrogen-oxygen separation device can only generate a single gas, such as the invention patent with the application number of 201510559015.6 and the name of nitrogen-oxygen separation device. If a molecular sieve tower of another gas is added on the basis of the traditional device, the complexity of the device is obviously improved, the nitrogen-oxygen separation device is usually cleaned after being used, and the cleaning process of the two molecular sieve towers is very complicated.
Disclosure of Invention
The invention aims to provide a nitrogen-oxygen separation device and a separation method, which are used for solving the problems in the prior art, not only have the functions of nitrogen production and oxygen production, but also have simple and compact structure.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a nitrogen-oxygen separation device, which comprises a multi-way control valve, an oxygen-making molecular sieve tower, a nitrogen-making molecular sieve tower and a four-way control valve, wherein the multi-way control valve is provided with a main air inlet with an opening and closing function, a main exhaust port, an oxygen-making air vent communicated with the oxygen-making molecular sieve tower and a nitrogen-making air vent communicated with the nitrogen-making molecular sieve tower, the main air inlet is communicated with the main exhaust port through a first cavity, the multi-way control valve is also provided with a stop switch used for controlling the on-off of the first cavity, the oxygen-making air vent and the nitrogen-making air vent are both communicated with the first cavity, the oxygen-making air vent is positioned between the main exhaust port and the stop switch, and the nitrogen-making air vent is positioned between the stop switch and the main exhaust port;
the four-way control valve comprises a second cavity, an oxygen inlet, an oxygen outlet, a nitrogen inlet and a nitrogen outlet, wherein the oxygen inlet, the oxygen outlet, the nitrogen inlet and the nitrogen outlet are communicated with the second cavity and have an opening and closing function, the oxygen inlet and the oxygen outlet are respectively communicated with the oxygen production molecular sieve tower and the oxygen storage tank, and the nitrogen inlet and the nitrogen outlet are respectively communicated with the nitrogen production molecular sieve tower and the nitrogen storage tank.
Preferably, the nitrogen-oxygen separation device further comprises an oil-free air compressor, and a compressed air exhaust port of the oil-free air compressor is communicated with the main air inlet.
Preferably, a temperature controller used for adjusting the air temperature is further arranged between the oil-free air compressor and the multi-way control valve.
Preferably, a filter is arranged at an air inlet of the oil-free air compressor.
Preferably, the nitrogen storage tank with be connected with nitrogen discharge pipeline and oxygen discharge pipeline on the oxygen storage tank respectively, the nitrogen discharge pipeline with be provided with nitrogen gas stop valve and oxygen stop valve on the oxygen discharge pipeline respectively.
Preferably, a nitrogen flow control valve is arranged on the nitrogen discharge pipeline, and an oxygen flow control valve is arranged on the oxygen discharge pipeline.
Preferably, the oxygen storage tank and the nitrogen storage tank are both provided with pressure gauges for detecting the internal pressure of the oxygen storage tank and the nitrogen storage tank.
Preferably, the main air inlet, the main exhaust port, the oxygen making vent, the nitrogen making vent, the oxygen delivery air inlet, the oxygen delivery exhaust port, the nitrogen delivery air inlet and the nitrogen delivery exhaust port are all provided with control switches.
The invention also provides a nitrogen-oxygen separation method, which comprises the following steps:
1) Opening a main air inlet, an oxygen generation air vent, an oxygen transmission air inlet and an oxygen transmission air outlet, closing the main air outlet, a stop switch, the nitrogen generation air vent, the nitrogen transmission air inlet, the nitrogen transmission air outlet, an oxygen stop valve and a nitrogen stop valve, opening a temperature controller, setting the cooling temperature, starting an oil-free air compressor, allowing air to enter from a filter, allowing the air to enter an oxygen generation molecular sieve tower through the oil-free air compressor and the temperature controller, and allowing oxygen-enriched air to enter an oxygen storage tank under the action of the oxygen generation molecular sieve tower;
2) The method comprises the following steps of closing a main exhaust port, an oxygen production vent port, an oxygen delivery air inlet, an oxygen delivery exhaust port, an oxygen stop valve and a nitrogen stop valve, opening the main air inlet, a stop switch, a nitrogen production vent port, a nitrogen delivery air inlet and a nitrogen delivery exhaust port, enabling air to enter from a filter, enter a nitrogen production molecular sieve tower after passing through an oil-free air compressor and a temperature controller, and enabling nitrogen-enriched air to enter a nitrogen storage tank after passing through the action of the nitrogen production molecular sieve tower;
3) And selectively opening an oxygen stop valve or a nitrogen stop valve to enable the plasma generated by the plasma generator to work in an oxygen-rich or nitrogen-rich environment.
Preferably, the method also comprises a desorption cleaning step carried out after oxygen generation or nitrogen generation is finished: open main air inlet, system oxygen blow vent, oxygen therapy air inlet, defeated nitrogen air inlet, system nitrogen blow vent and main gas vent, close stop switch, defeated oxygen gas vent, defeated nitrogen gas vent, open temperature controller, set for its heating temperature, then start oil-free air compressor machine, the air gets into from the filter, gets into system oxygen molecular sieve tower behind oil-free air compressor machine and the temperature controller in proper order, behind the system nitrogen molecular sieve tower, discharges through main gas vent, accomplishes the washing.
Compared with the prior art, the invention has the following technical effects:
1. the nitrogen-oxygen separation device has the functions of oxygen production and nitrogen production by arranging the oxygen production molecular sieve column and the nitrogen production molecular sieve column, and when the plasma generator acts on skin, oxygen-rich atmosphere or nitrogen-rich atmosphere can be selected, so that good effect on the skin is ensured;
2. according to the invention, through arranging the multi-way control valve and the four-way control valve and controlling the opening and closing conditions of the multi-way control valve and the four-way control valve, the nitrogen generation function and the oxygen generation function can be conveniently switched, the desorption cleaning process can be carried out, and complicated connecting pipelines between two molecular sieve towers are replaced, so that the structure of the device is simpler and more compact, and the lightweight design of the nitrogen-oxygen separation device is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a nitrogen-oxygen separation apparatus according to the present invention;
wherein, 1, a multi-way control valve; 2. an oxygen-making molecular sieve tower; 3. a nitrogen-making molecular sieve tower; 4. a four-way control valve; 5. a primary air inlet; 6. a main exhaust port; 7. an oxygen generation vent; 8. a nitrogen making vent; 9. a cut-off switch; 10. an oxygen inlet; 11. an oxygen delivery and exhaust port; 12. a nitrogen input port; 13. a nitrogen conveying exhaust port; 14. an oxygen storage tank; 15. a nitrogen storage tank; 16. an oil-free air compressor; 17. a temperature controller; 18. a filter; 19. a nitrogen discharge pipeline; 20. an oxygen discharge pipeline; 21. a nitrogen stop valve; 22. an oxygen stop valve; 23. a nitrogen flow control valve; 24. an oxygen flow control valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a nitrogen-oxygen separation device and a separation method, which are used for solving the problems in the prior art, have the functions of nitrogen production and oxygen production, and have simple and compact structure.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example 1:
as shown in fig. 1, the embodiment provides a nitrogen-oxygen separation device, which includes a multi-way control valve 1, an oxygen-making molecular sieve tower 2, a nitrogen-making molecular sieve tower 3 and a four-way control valve 4, wherein the multi-way control valve 1 is provided with a main air inlet 5 having an opening and closing function, a main air outlet 6, an oxygen-making air vent 7 communicated with the oxygen-making molecular sieve tower 2 and a nitrogen-making air vent 8 communicated with the nitrogen-making molecular sieve tower 3, the main air inlet 5 is communicated with the main air outlet 6 through a first cavity, the multi-way control valve 1 is further provided with a stop switch 9 for controlling the opening and closing of the first cavity, the oxygen-making air vent 7 and the nitrogen-making air vent 8 are both communicated with the first cavity, the oxygen-making air vent 7 is located between the main air outlet 6 and the stop switch 9, and the nitrogen-making air vent 8 is located between the stop switch 9 and the main air outlet 6;
the four-way control valve 4 comprises a second cavity, an oxygen inlet 10, an oxygen outlet 11, a nitrogen inlet 12 and a nitrogen outlet 13 which are communicated with the second cavity and have opening and closing functions, the oxygen inlet 10 and the oxygen outlet 11 are respectively communicated with the oxygen production molecular sieve tower 2 and the oxygen storage tank 14, and the nitrogen inlet 12 and the nitrogen outlet 13 are respectively communicated with the nitrogen production molecular sieve tower 3 and the nitrogen storage tank 15.
Furthermore, in the present embodiment, the main air inlet 5, the main exhaust port 6, the oxygen generation air vent 7, the nitrogen generation air vent 8, the oxygen transportation air inlet 10, the oxygen transportation exhaust port 11, the nitrogen transportation air inlet 12 and the nitrogen transportation exhaust port 13 are all provided with control switches.
When carrying out the oxygen boosting air and collecting, open main air inlet 5, make oxygen blow vent 7, oxygen therapy air inlet 10, oxygen therapy gas vent 11, close main gas vent 6, stop switch 9, system nitrogen blow vent 8, nitrogen therapy air inlet 12, nitrogen therapy gas vent 13, gaseous autonomic air inlet 5, during making oxygen blow vent 7 gets into system oxygen molecular sieve tower 2, system oxygen molecular sieve tower 2 adsorbs other gases except for oxygen, oxygen boosting gas is then from oxygen therapy air inlet 10, oxygen therapy gas vent 11 gets into oxygen storage tank 14 and preserves. When the nitrogen-rich air is collected, the main air inlet 5, the stop switch 9, the nitrogen making vent 8, the nitrogen conveying air inlet 12 and the nitrogen conveying exhaust port 13 are opened, the main exhaust port 6, the oxygen making vent 7, the oxygen conveying air inlet 10 and the oxygen conveying exhaust port 11 are closed, the air enters the nitrogen making molecular sieve tower 3 from the main air inlet 5 and the nitrogen making vent 8, the nitrogen making molecular sieve tower 3 adsorbs other gases except the nitrogen, and the nitrogen-rich air enters the nitrogen storage tank 15 from the nitrogen conveying air inlet 12 and the nitrogen conveying exhaust port 13 to be stored. When the oxygen-rich environment or the nitrogen-rich environment needs to be provided, the switch on the oxygen storage tank 14 or the nitrogen storage tank 15 is selected to be turned on, and the following description of the embodiment is provided. After the nitrogen-rich or oxygen-rich air is collected, opening a main air inlet 5, an oxygen production vent 7, an oxygen delivery air inlet 10, a nitrogen delivery air inlet 12, a nitrogen production vent 8 and a main exhaust port 6, closing a stop switch 9, an oxygen delivery exhaust port 11 and a nitrogen delivery exhaust port 13, enabling the air to enter the oxygen production molecular sieve tower 2 from the main air inlet 5 and the oxygen production vent 7, desorbing and cleaning the molecular sieve in the oxygen production molecular sieve tower 2, then discharging the air from the oxygen delivery exhaust port 11, enabling the air to enter the nitrogen production molecular sieve tower 3 from the nitrogen delivery exhaust port 13, desorbing and cleaning the molecular sieve in the nitrogen production molecular sieve tower 3, and finally discharging the air from the main exhaust port 6.
Therefore, the nitrogen-oxygen separation device in the embodiment has the functions of oxygen production and nitrogen production by arranging the oxygen production molecular sieve column 2 and the nitrogen production molecular sieve column 3, and when the plasma generator acts on skin, oxygen-rich atmosphere or nitrogen-rich atmosphere can be selected, so that good action effect on the skin is ensured; simultaneously, through setting up many-way control valve 1 and four-way control valve 4 in this embodiment, through the condition of opening and close of controlling many-way control valve 1 and four-way control valve 4, can conveniently switch between nitrogen making function and oxygen making function, can also carry out desorption cleaning process, replaced numerous and diverse connecting line between two molecular sieve towers moreover for the structure of device is simpler, compact, does benefit to nitrogen oxygen separator's lightweight design.
Further, nitrogen oxygen separator still includes oil-free air compressor 16 in this embodiment, and oil-free air compressor 16's compressed air gas vent and main air inlet 5 intercommunication for supply circulation power to the air.
Further, in the embodiment, a temperature controller 17 for adjusting the air temperature is further arranged between the oil-free air compressor 16 and the multi-way control valve 1; the molecular sieve generally has good adsorption effect on gas to be sieved under high-pressure and low-temperature environments, has poor adsorption effect in low-pressure and high-temperature environments, and even can generate desorption, so that the air is cooled by using the temperature controller 17 during the nitrogen or oxygen preparation process, and is heated by using the temperature controller 17 during desorption cleaning; specifically, the desorption temperature control of the molecular sieve and the structure of the temperature controller 17 are well known to those skilled in the art, and therefore, the present embodiment will not be described in detail.
In order to filter impurities and dust in the air, a filter 18 is disposed at an air inlet of the oil-free air compressor 16 in the present embodiment.
Further, in this embodiment, the nitrogen storage tank 15 and the oxygen storage tank 14 are respectively connected to a nitrogen discharge pipeline 19 and an oxygen discharge pipeline 20, and the nitrogen discharge pipeline 19 and the oxygen discharge pipeline 20 are respectively provided with a nitrogen stop valve 21 and an oxygen stop valve 22. The nitrogen discharge pipeline 19 is provided with a nitrogen flow control valve 23, the oxygen discharge pipeline 20 is provided with an oxygen flow control valve 24, and the oxygen storage tank 14 and the nitrogen storage tank 15 are both provided with pressure gauges for detecting the internal pressure thereof.
Example 2:
the embodiment also provides a nitrogen-oxygen separation method, which comprises the following steps:
1) Opening a main air inlet 5, an oxygen production air vent 7, an oxygen delivery air inlet 10 and an oxygen delivery exhaust port 11, closing a main exhaust port 6, a stop switch 9, a nitrogen production air vent 8, a nitrogen delivery air inlet 12, a nitrogen delivery exhaust port 13, an oxygen stop valve 22 and a nitrogen stop valve 21, opening a temperature controller 17, setting the cooling temperature of the temperature controller, starting an oil-free air compressor 16, allowing air to enter from a filter 18, allowing the air to enter an oxygen production molecular sieve tower 2 after passing through the oil-free air compressor 16 and the temperature controller 17, and allowing oxygen-enriched air to enter an oxygen storage tank 14 after passing through the oxygen production molecular sieve tower 2;
2) Closing a main exhaust port 6, an oxygen production air vent 7, an oxygen transmission air inlet 10, an oxygen transmission exhaust port 11, an oxygen stop valve 22 and a nitrogen stop valve 21, opening a main air inlet 5, a stop switch 9, a nitrogen production air vent 8, a nitrogen transmission air inlet 12 and a nitrogen transmission exhaust port 13, allowing air to enter from a filter 18, allowing the air to enter a nitrogen production molecular sieve column 3 through an oil-free air compressor 16 and a temperature controller 17, and allowing nitrogen-enriched air to enter a nitrogen storage tank 15 under the action of the nitrogen production molecular sieve column 3;
3) The oxygen stop valve 22 or the nitrogen stop valve 21 is selectively opened, so that the plasma generated by the plasma generator works in the environment rich in oxygen or nitrogen.
Also comprises a desorption cleaning step which is carried out after oxygen production or nitrogen production is finished: open main air inlet 5, system oxygen vent 7, oxygen therapy air inlet 10, defeated nitrogen air inlet 12, system nitrogen vent 8 and main gas vent 6, close stop switch 9, defeated oxygen gas vent 11, defeated nitrogen gas vent 13, open temperature controller 17, set for its heating temperature, then start oil-free air compressor machine 16, the air gets into from filter 18, get into system oxygen molecular sieve tower 2 in proper order behind oil-free air compressor machine 16 and temperature controller 17, system nitrogen molecular sieve tower 3 back, discharge through main gas vent 6, accomplish the washing.
The adaptation according to the actual needs is within the scope of the invention.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. A nitrogen-oxygen separation device is characterized by comprising a multi-way control valve, an oxygen-making molecular sieve tower, a nitrogen-making molecular sieve tower and a four-way control valve, wherein the multi-way control valve is provided with a main air inlet with an opening and closing function, a main exhaust port, an oxygen-making air vent communicated with the oxygen-making molecular sieve tower and a nitrogen-making air vent communicated with the nitrogen-making molecular sieve tower, the main air inlet is communicated with the main exhaust port through a first cavity, the multi-way control valve is further provided with a stop switch for controlling the on-off of the first cavity, the oxygen-making air vent and the nitrogen-making air vent are both communicated with the first cavity, the oxygen-making air vent is positioned between the main exhaust port and the stop switch, and the nitrogen-making air vent is positioned between the stop switch and the main exhaust port;
the four-way control valve comprises a second cavity, an oxygen inlet, an oxygen outlet, a nitrogen inlet and a nitrogen outlet, wherein the oxygen inlet, the oxygen outlet, the nitrogen inlet and the nitrogen outlet are communicated with the second cavity and have an opening and closing function, the oxygen inlet and the oxygen outlet are respectively communicated with the oxygen production molecular sieve tower and the oxygen storage tank, and the nitrogen inlet and the nitrogen outlet are respectively communicated with the nitrogen production molecular sieve tower and the nitrogen storage tank.
2. The nitrogen-oxygen separation device of claim 1, further comprising an oil-free air compressor having a compressed air exhaust in communication with the primary air inlet.
3. The nitrogen-oxygen separation device as claimed in claim 2, wherein a temperature controller for adjusting the temperature of air is further arranged between the oil-free air compressor and the multi-way control valve.
4. The nitrogen-oxygen separation device of claim 3, wherein a filter is arranged at an air inlet of the oil-free air compressor.
5. The nitrogen-oxygen separation device according to any one of claims 1 to 4, wherein a nitrogen discharge pipeline and an oxygen discharge pipeline are connected to the nitrogen storage tank and the oxygen storage tank respectively, and a nitrogen stop valve and an oxygen stop valve are arranged on the nitrogen discharge pipeline and the oxygen discharge pipeline respectively.
6. The nitrogen-oxygen separation device of claim 5, wherein a nitrogen flow control valve is arranged on the nitrogen discharge pipeline, and an oxygen flow control valve is arranged on the oxygen discharge pipeline.
7. The nitrogen-oxygen separation device according to claim 6, wherein the oxygen storage tank and the nitrogen storage tank are provided with pressure gauges for detecting internal pressures thereof.
8. The nitrogen-oxygen separation device of claim 7, wherein the main gas inlet, the main gas outlet, the oxygen generation vent, the nitrogen generation vent, the oxygen delivery gas inlet, the oxygen delivery gas outlet, the nitrogen delivery gas inlet, and the nitrogen delivery gas outlet are all provided with control switches.
9. A nitrogen-oxygen separation method is characterized by comprising the following steps:
1) Opening a main air inlet, an oxygen generation air vent, an oxygen transmission air inlet and an oxygen transmission air outlet, closing the main air outlet, a stop switch, the nitrogen generation air vent, the nitrogen transmission air inlet, the nitrogen transmission air outlet, an oxygen stop valve and a nitrogen stop valve, opening a temperature controller, setting the cooling temperature, starting an oil-free air compressor, allowing air to enter from a filter, allowing the air to enter an oxygen generation molecular sieve tower through the oil-free air compressor and the temperature controller, and allowing oxygen-enriched air to enter an oxygen storage tank under the action of the oxygen generation molecular sieve tower;
2) The method comprises the following steps of closing a main exhaust port, an oxygen production vent port, an oxygen delivery air inlet, an oxygen delivery exhaust port, an oxygen stop valve and a nitrogen stop valve, opening the main air inlet, a stop switch, a nitrogen production vent port, a nitrogen delivery air inlet and a nitrogen delivery exhaust port, enabling air to enter from a filter, enter a nitrogen production molecular sieve tower after passing through an oil-free air compressor and a temperature controller, and enabling nitrogen-enriched air to enter a nitrogen storage tank after passing through the action of the nitrogen production molecular sieve tower;
3) And selectively opening an oxygen stop valve or a nitrogen stop valve to enable the plasma generated by the plasma generator to work in an oxygen-rich or nitrogen-rich environment.
10. The nitrogen-oxygen separation method according to claim 9, further comprising a desorption cleaning step performed after completion of oxygen production or nitrogen production: open main air inlet, system oxygen blow vent, oxygen therapy air inlet, defeated nitrogen air inlet, system nitrogen blow vent and main gas vent, close stop switch, defeated oxygen gas vent, defeated nitrogen gas vent, open temperature controller, set for its heating temperature, then start oil-free air compressor machine, the air gets into from the filter, gets into system oxygen molecular sieve tower behind oil-free air compressor machine and the temperature controller in proper order, behind the system nitrogen molecular sieve tower, discharges through main gas vent, accomplishes the washing.
CN202211044803.8A 2022-08-30 2022-08-30 Nitrogen-oxygen separation device and separation method Pending CN115340070A (en)

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CN202211044803.8A CN115340070A (en) 2022-08-30 2022-08-30 Nitrogen-oxygen separation device and separation method
PCT/CN2022/130891 WO2024045339A1 (en) 2022-08-30 2022-11-09 Nitrogen-oxygen separation apparatus and separation method

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Application Number Priority Date Filing Date Title
CN202211044803.8A CN115340070A (en) 2022-08-30 2022-08-30 Nitrogen-oxygen separation device and separation method

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Publication number Priority date Publication date Assignee Title
CN118439564A (en) * 2024-05-27 2024-08-06 深圳市松岩医疗科技有限公司 An oxygen production device for continuous and stable oxygen production

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US20040050255A1 (en) * 2002-09-12 2004-03-18 Simonds Edward L. Oxygen concentrator
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CN107673312A (en) * 2017-10-24 2018-02-09 南京创维家用电器有限公司 A kind of household electrical appliance gas input control system and oxygen nitrogen-making device processed
CN209456076U (en) * 2018-10-24 2019-10-01 江苏新颖氧科技发展有限公司 High pressure molecular sieve oxygen generator and molecular sieve oxygen generation module with boost function

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Publication number Priority date Publication date Assignee Title
US20040050255A1 (en) * 2002-09-12 2004-03-18 Simonds Edward L. Oxygen concentrator
CN107399723A (en) * 2016-05-19 2017-11-28 拜默实验设备(上海)股份有限公司 A kind of continuous device for preparing high-purity nitrogen
CN206033226U (en) * 2016-08-30 2017-03-22 赣州川汇气体设备制造有限公司 Novel high -purity system oxygen system nitrogen is dual -purpose device
CN107673312A (en) * 2017-10-24 2018-02-09 南京创维家用电器有限公司 A kind of household electrical appliance gas input control system and oxygen nitrogen-making device processed
CN209456076U (en) * 2018-10-24 2019-10-01 江苏新颖氧科技发展有限公司 High pressure molecular sieve oxygen generator and molecular sieve oxygen generation module with boost function

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